Hand operated exercise bike



FIG. 1 is a right side elevational view of a hand operated exercise bike showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a rear perspective view of a modified embodiment of the design shown in FIGS. 1 through 6. 

The ornamental design for a hand operated exercise bike, as shown and described. 